Verifications is the fact of proving or disproving the correctness of the system with respect to a certain formal specification.
Methods of verifications
- User Identification
- Processed object
User Identification
It is an unique number assigned to a user from which the user is identified to various resources such as files in an operating system.
example;
1. Key in the user name to log-in to a system and the system will verify whether the user is valid or invalid user.
2. Show a passport before departure.
Processed Object
It refers to something the user has.
example;
1. Identification card
2. Credit card
3. Cell phone